Event: Championship 2019

PDF Excel

Opponent	Rating	Result
Clive W Davies	162	0 - 1
Andrew Parker	46	1 - 0
Paul Howden	146	0 - 1
S Neil Bolton	83	1 - 0
Neil Griffiths	131	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

34 = (568 + 400 * (2 - 3)) / 5)